1
#include <bits/stdc++.h>
2
 
3
using namespace std;
4
 
5
int main() {
6
    int n, m;
7
    cin >> n >> m;
8
    int a[n][m];
9
    for (int i = 0; i < n; ++i) {
10
        for (int j = 0; j < m; ++j) {
11
            cin >> a[i][j];
12
        }
13
    }
14
    
15
    for (int i = 0; i < n; ++i) {
16
        for (int lt = 0, rt = m - 1; lt < rt; ++lt, --rt) {
17
            swap(a[i][lt], a[i][rt]);
18
        }
19
    }
20
    
21
    for (int i = 0; i < n; ++i) {
22
        for (int j = 0; j < m; ++j) {
23
            cout << a[i][j] << ' ';
24
        }
25
        cout << endl;
26
    }
27
    return 0;
28
}